Surf Forecasts:
Kennebunk Beach surf forecast from 20 Aug 2026:
- Best quality surf: Sunday 23 Aug, 8PM (local time) - 4.5ft (1.3m), 6s period, SSE swell with glassy winds.
- Most powerful swell: Wednesday 26 Aug, 8PM (local time) - 5.5ft (1.7m), 6s period, S swell with 185 kJ wave energy.
- Next surfable swell (1★+): Sunday 23 Aug, 8PM (local time) - 4.5ft (1.3m), 6s period with SSE swell.
Best Forecast Surf Conditions for Kennebunk Beach this week:
The surf forecast for Kennebunk Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 23) at 8PM. The primary swell is predicted to be 1.3m and 6s period with a secondary swell of 0.3m and 12s. Another secondary swell of 0.1m and 9s is also forecast. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Kennebunk Beach in the next 16 days are 1.7m 6s and forecast to arrive on Wednesday (Aug 26) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 6s period and expected on Monday (Aug 24) at 8AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Sun 23rd Aug) | 4.5ft (1.3m) 6s |
| Best Surf | 8PM (Sun 23rd Aug) | 4.5ft (1.3m) 6s |
| Most Powerful | 8PM (Wed 26th Aug) | 5.5ft (1.7m) 6s |
Table - best surf conditions forecast for Kennebunk Beach over the next 16 days.
The Lowdown
Alright, folks, Rusty here. Let's be real about what's on offer for the Kennebunk Beach area. We're looking at a pretty grim stretch ahead. The data shows a classic summer flat spell, with no real surf to speak of for the entire 16-day window. Every single session is flagged as "poor surf conditions," so there's no standout, no best day, just a whole lot of nothing.
Starting on Thursday, the 20th of August, we've got tiny, weak swell in the 2ft to 3ft range coming from the southeast. The energy is barely there, with a combined swell energy reading of just (69) on Thursday morning. The wind is glassy that morning, so the surface would be clean, but with a swell period of only 8 seconds, it's a short-period, weak pulse that won't wrap in well to this sheltered spot. The afternoon gets a bit messier with a cross-onshore breeze.
This pattern of small, weak, and generally poor conditions just drags on day after day. We get a slight bump in swell energy on the 23rd of August, with a combined energy of (72) on Sunday morning, but the swell height is still only 3ft and the period is a pitiful 6 seconds. That's just wind chop, not a wave you'd paddle out for.
The closest thing to a glimpse of hope comes much later, on the 28th of August, Friday afternoon. The swell bumps up to 4ft from the southeast, and the wind is a light cross-offshore breeze, which would keep it clean. The combined energy hits (83), which is still weak. But with a 6-second period, it's going to be a fat, crumbly mess. It's not a surfable wave for anyone looking for a proper ride.
We even see a spell of moderate offshore winds from the northeast on the 1st and 2nd of September, but the swell is still only 1.0ft to 1ft. You can have the cleanest surface in the world, but if there's no water moving, it's just a flat lake. The combined energy drops to a pathetic (22) on the morning of the 1st.
| Day | Date | Morning | Afternoon |
| :--- | :--- | :--- | :--- |
| Thu | 20 Aug | Glassy, 3ft, weak | Cross-on, 2ft |
| Fri | 21 Aug | Offshore, 2ft | Cross, 2ft |
| Sat | 22 Aug | Clean, 2ft | Clean, 0.3ft |
| Sun | 23 Aug | Glassy, 3ft | Choppy, 2ft |
| Mon | 24 Aug | Onshore, 1ft | Choppy, 1ft |
| Tue | 25 Aug | Choppy, 1ft | Cross, 1ft |
| Wed | 26 Aug | Choppy, 1ft | Choppy, 1ft |
| Thu | 27 Aug | Choppy, 1ft | Choppy, 1.0ft |
| Fri | 28 Aug | Offshore, 2ft | Clean, 4ft |
| Sat | 29 Aug | Glassy, 3ft | Choppy, 3ft |
| Sun | 30 Aug | Choppy, 2ft | Choppy, 2ft |
| Mon | 31 Aug | Onshore, 2ft | Choppy, 1.0ft |
| Tue | 01 Sep | Offshore, 1.0ft | Offshore, 1ft |
| Wed | 02 Sep | Offshore, 1ft | Clean, 1ft |
| Thu | 03 Sep | Choppy, 1ft | Choppy, 1ft |
| Fri | 04 Sep | Choppy, 1ft | N/A |
To be honest, with this kind of small, weak swell and the fact that Kennebunk Beach is a sheltered spot, this setup looks more interesting for a kite surfer than anyone with a paddle. There’s just no swell energy to work with. The whole 16 days is a blank run. For this area, when the summer goes flat, it can stay flat for a while, but forecasts can always change. Keep your eye on it, but don't hold your breath.
Rusty.
Short Range ForecastLight rain (total 5mm), mostly falling on Sat afternoon. Warm (max 26°C on Thu afternoon, min 15°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 4mm), mostly falling on Sun morning. Warm (max 25°C on Mon afternoon, min 14°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SE 8 | SE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | SE 6 | SE 6 | SSE 6 | SSE 6 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | ESE 10 | S 5 | SSE 5 |
Wave Graph  | |||||||||||||||||||||
 kJ | 57 | 41 | 42 | 46 | 44 | 42 | 34 | 22 | 18 | 75 | 74 | 115 | 62 | 36 | 30 | 18 | 29 | 29 | 11 | 119 | 43 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | cross-off | off | cross | cross | cross-off | off | cross-off | glassy | glassy | cross | on | cross-on | cross-on | cross | cross | cross-on | on | cross-on | glassy |
High Tide | 5:55PM2.61m | 6:41AM2.23m | 6:52PM2.56m | 7:42AM2.20m | 7:51PM2.56m | 8:41AM2.23m | 8:47PM2.61m | 9:34AM2.30m | 9:39PM2.69m | 10:20AM2.39m | 10:25PM2.76m | 11:01AM2.49m | 11:06PM2.84m | ||||||||
Low Tide | 11:35AM0.56m | 00:28AM0.44m | 12:33PM0.65m | 1:31AM0.46m | 1:33PM0.67m | 2:31AM0.44m | 2:31PM0.64m | 3:25AM0.38m | 3:24PM0.56m | 4:11AM0.30m | 4:11PM0.47m | 4:51AM0.22m | 4:52PM0.38m | ||||||||
 |  |  | | | | |  |  | | |  | | |  | | | | | | | |
 | 5:52 | — | — | 5:52 | — | — | 5:54 | — | — | 5:54 | — | — | 5:56 | — | — | 5:56 | — | — | 5:58 | — | — |
 | — | 7:37 | — | — | 7:36 | — | — | 7:34 | — | — | 7:32 | — | — | 7:30 | — | — | 7:29 | — | — | 7:28 | — |
mm | — | — | — | — | — | — | — | 2 | 3 | 1 | 1 | 2 | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 26 | 24 | 23 | 23 | 21 | 19 | 18 | 16 | 17 | 18 | 19 | 24 | 25 | 21 | 19 | 23 | 21 | 23 | 24 | 21 |
Feels °C | 26 | 25 | 23 | 21 | 20 | 19 | 16 | 17 | 16 | 19 | 20 | 20 | 22 | 23 | 17 | 14 | 19 | 19 | 20 | 20 | 19 |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | SE 6 | SE 12 | SE 12 | SSE 6 | SSE 6 | SSE 6 | SE 6 | SE 11 | SE 11 | ESE 10 | ESE 10 | ESE 10 |
| kJ | 57 | 41 | 42 | 46 | 44 | 42 | 34 | 22 | 18 | 75 | 23 | 22 | 62 | 36 | 30 | 9 | 29 | 29 | 11 | 10 | 9 |
Swell 2 Height (m) Direction Period (s) | — | E 16 | E 15 | SE 15 | — | SE 14 | SE 13 | SE 13 | ESE 12 | SE 12 | SE 12 | SE 12 | ESE 6 | ESE 6 | ESE 6 | SE 11 | — | SSE 6 | ESE 6 | E 13 | SE 8 |
| kJ | — | 5 | 4 | 8 | — | 8 | 7 | 7 | 15 | 23 | 6 | 6 | 7 | 12 | 7 | 18 | — | 3 | 4 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | E 15 | SE 14 | E 14 | SE 13 | SE 9 | SE 9 | ESE 12 | — | — | SE 12 | SE 11 | SE 11 | ESE 6 | — | ESE 6 | SSE 5 | — | E 12 |
| kJ | — | — | — | 4 | 8 | 4 | 7 | 3 | 3 | 14 | — | — | 34 | 32 | 30 | 4 | — | 4 | 3 | — | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | NNE 3 | — | — | ENE 3 | E 4 | ESE 4 | — | SE 6 | SSE 6 | WSW 4 | WNW 2 | W 3 | WNW 3 | SSE 6 | S 4 | S 4 | S 5 | SSE 5 |
| kJ | — | — | — | 4 | — | — | 6 | 13 | 18 | — | 74 | 115 | 7 | 1 | 5 | 1 | 24 | 16 | 9 | 119 | 43 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 11 | 11 | 62 | 11 | 462 | 1000 | 11 | 489 | 281 | 54 | 11 | 62 | 45 | 11 | 11 | 11 | 11 | 62 | 281 | 296 | 1320 |
Best forecast wave conditions in Maine | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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Information about the Kennebunk Beach Surf forecast
The above surf forecast table for Kennebunk Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kennebunk Beach can be found by selecting the local surf guide option on the grey menu. Our Kennebunk Beach surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Kennebunk Beach) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Kennebunk Beach may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Kennebunk Beach is 17 km (11 miles) from Biddeford. If you plan a vacation in Maine, look for hotels and other accommodation in Biddeford. Biddeford has rooms for a wide range of budgets as well as car hire and transport links.
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